#include "String.h"

namespace yyp
{
	void Test1()
	{
		string str1 = "abc";
		cout << str1.c_str() << endl;

		string str2;
		cout << str2.c_str() << endl;

		str2 = str1;
		cout << str2.c_str() << endl;

		string str3 = str1;
		cout << str3.c_str() << endl;
	}
}

int main()
{
	yyp::Test1();

	return 0;
}